[mythtv-users] MythMusic SPDIF out

Michael T. Dean mtdean at thirdcontact.com
Fri Sep 7 18:14:01 UTC 2007


On 09/07/2007 07:48 AM, Peter Meyland wrote:
> I have a big problem with MythMusic and digital output. I can't get any 
> sound out of my Fedora 7 box
> As the sounddevice I have ALSA:spdif and LiveTV (and recordings) from my 
> PVR500 are all with sound, but not MythMusic
> My soundcard is a 00:14.5 Multimedia audio controller: ATI Technologies 
> Inc IXP150 AC'97 Audio Controller and I'm using default alsa.conf
> When MythMusic tries to play som music I get this message in the logfile:
>    2007-09-07 13:38:35.454 Opening ALSA audio device 'spdif'.
>    2007-09-07 13:38:35.455 AudioOutput Error: Rate doesn't match 
> (requested 44100Hz, got 48000Hz)
>    2007-09-07 13:38:35.456 AudioOutput Error: Unable to set ALSA parameters

Your sound card, like nearly all of them, requires a 48kHz audio stream
for direct (hardware) playback.  Therefore, you need to get ALSA to
rate-convert other files (i.e. like 44.1kHz CD audio/MP3's/ogg's).

http://www.mythtv.org/wiki/index.php/Configuring_Digital_Sound#Setting_up_ALSA.27s_.asoundrc.2C_Properly

Mike


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